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Add 54/15 and 20/8

1st number: 3 9/15, 2nd number: 2 4/8

54/15 + 20/8 is 61/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    54/15 = 54 × 8/15 × 8 = 432/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    20/8 = 20 × 15/8 × 15 = 300/120
  4. Add the two like fractions:
    432/120 + 300/120 = 432 + 300/120 = 732/120
  5. 732/120 simplified gives 61/10
  6. So, 54/15 + 20/8 = 61/10
    In mixed form: 61/10

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